Grand Floral Parade: If you don't want to brave the crowds and the uncertain skies, have a cup of coffee and watch on TV. (Saturday, 10 a.m., KPTV/12)Tony Awards: Neil Patrick Harris hosts, which is always a good thing, as Broadway's best -- or at least most popular -- gather to celebrate. Nominated shows include "Once," and "The Gershwins' Porgy and Bess." (Sunday, 8 p.m., CBS/6)